Home / 124,213.72-186,323.64-45,327.94

Finding the Fourth Proportional to 124,213.72, 186,323.64 and 45,327.94

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Solution

The fourth proportional to 124,213.72, 186,323.64 and 45,327.94 is: 67,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,213.72 : 186,323.64 = 45,327.94 : x
  2. Step 2: Convert to fraction form
    124,213.72/186,323.64 = 45,327.94/x
  3. Step 3: Cross multiply
    124,213.72x = 186,323.64 × 45,327.94
  4. Step 4: Simplify right side
    124,213.72x = 8,445,666,774.50
  5. Step 5: Solve for x
    x = 8,445,666,774.50/124,213.72
  6. Step 6: Final answer
    x = 67,993.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.